Improvement in superheaters for steam-boilers



2 Sheets--Sheet l.

T. VERNON. SUPERHEATERS FOR STEAM-BOILERS. No. 170,316. Patented Nov. 23,1875.

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WITNESSES V A INVENTOR a6 6W 5 Hmvg/ I v ATTORNEYS N. PETERS. PHOTO-LITHOGWLPBER, WASHlNGTOM D C.

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T. VERNON. SUPERHEATERS FOR. STEAM-B 0ILERS.

Patented Nov. 23

ll Y! iNVENTOR WITNESSES W M W nd/ jg ATTORNEYS N.PETERS, PHOTO LITHOGRAPHER WASHINGTON, Dv C.

U ITED STATES full, clear, and exact description PATENT OFFICE.

TINSLEY VERNON, OF CHARLESTON, MISSOURI.

IMPROVEMENT IN SUPERHEATERS FOR STEAM-BOILERS.

Specification forming part of Letters Patent N 0. 170.316. dated November 23, 1875; application filed October 23, 1875.

valuable Improvement in Steam-Boilers; and

I do herebydeclare that the following is a of the construction and operation of the same, reference being had to the annexed drawings, making a part of this specification, and to the letters and figures of reference marked thereon.

Figure l of the drawings is arepresentation of a transverse vertical section of my steamboiler, and Fig. 2 is a longitudinal vertical sectional view thereof. Fig. 3 is a horizontal sectional View of the same. I

My invention relates to theproduction of superheated steam; and it consists in the novel apparatus hereinafter described, by means of which unusual dispatch and safety are insured; the leading object of my invention. being to render the production of superheated steam at once rapid, safe, and economical.

A of the drawings represents a steam-boiler B, the fire-box and grate; and 0 a casing or wall, within which said box and boiler are ar ranged in the manner shown on Fig. 1. The letter D represents a coiled tube arranged below the boiler, and at the rear of the firegrate. E represents a metallic plate, arranged in the fire-box, and above the coiled tube, to serve as a shield for said coil, as hereinafter mentioned. G represents a damper, arranged and adapted for shutting off the heat from the steam-coil at will, and a a dampers pivoted to the sides of the incasement, and covering openings therein, through which air may be admitted to the coil when desirable.

By means of the shields and dampers above described the operator is enabled to regulate the heat upon the coil, and prevent the burning, melting, and oxidation thereof, which frequently occur with pipes and coils not thus protected.

The letter H represents a drum, arranged above the boiler, and connected therewith by the tube 0. K represents a pipe leading from the drum H down through the side of the easing, and connected with the coil D. Steaur- I It will be observed that throughout the circuit, which the steam is forced to travel from the boiler to the cylinder, its course is unimpeded by any check or valve whatever. The result of this method of construction is that the steam has free'passageway in both directions. Therefore in the event of a sudden increase of heat'upon the coil, or when the engine is at rest, the heated steam in the coil will retreat to the boiler, and thereby greatly lessen the danger of explosion. I

I claim as my invention- 1. The shield E, in combination with the coiled tube D, substantially as described.

2. The combination of the dampers Grand a, the shield E, and coil D, substantially as described and shown.

In testimony that I claim the above, I have hereunto subscribed my name in the presence of two witnesses.

TINSLEY VERNON.

Witnesses:

WALTER 0. MASI, BRYAN H. MORSE. 

